Allistir \a-llis-tir, all(i)-stir\ as a boy's name is a variant of Alastair (Greek) and Alexander (Greek), and the meaning of Allistir is "man's defender; man's defender, warrior".
The baby name Allistir sounds like Allister, Allistair, Allastir and Alistir. Other similar baby names are Allyster, Allystair, Allaster, Allaistar, Alister, Alistar, Alistair, Aleister, Alaister and Alaistair.